sei sepalang abutment

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    PROGRAM ANALISIS KEKUATAN COLUMN PIER DENGAN DIAGRAM INTERAKSI

    INPUT DATA DINDING BETON BERTULANG

    1000   mm

    Tebal dinding h =   1200 mm Mutu Beton : K - 250

    Jarak pusat tul.thd.tepi beton terluar    d =   100 mm Mutu Ba!a :   " - #$

    Ba!a tulangan tarik % &s ' : 1   lapis ( 25   !arak 100   )$0$

    Ba!a tulangan tekan % &s ' : 1   lapis ( 25   !arak 100   )$0$

    Kuat tekan beton* 20.+5 M,a asio tul. Tarik   =   0.)0$1 /

    Tegangan leleh ba!a* #$0 M,a asio tul. Tekan   =   0.)0$1 /

    Modulus elastik ba!a*   2.05   M,a aktor reduksi kekuatan

    aktor distr. Teg. 0.35   4 0.65

    4 0.80

    PERSAMAAN UNTUK PERHITUNGAN DIAGRAM INTERAKSI

    d = h - d = 1100   mm

    Pada kond! "#kan ak!a$ !#n"%! &1'85(   k

    Pada kond! )a$an*# &

    666.6(   mm

    "ntuk maka 6s = 67

    "ntuk maka8a7a-ga7a internal beton dan ba!a :

    k

    k

    k

    8a7a aksial tekan nominal kondisi balan9e :

    k

    (itin!au dinding selebar * ) /

    s  = mm2

    s = mm2

    9 =

    7 =

    s =

    1= untuk ,n 0.1>69 >b>h

    untuk ,n = 0

    ,no = 0.30>@ 0.35> 69 > b > h % &s &s '>% 67 - 0.35>69 'A > 10-# =

    9b = s

    9 = 0.35 > 69 > b > ab > 10-#

    s = &s > 67 > 10-#

    s = &s > % 6s - 0.35>69 ' > 10-#

    ,nb = 9 s - s

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    4 = 0.30 - 1.5>,n %69 > b>h' untuk 0 D ,n D 0.10>69 > b>h

    TABEL PERHITUNGAN DIAGRAM INTERAKSI

    9 amm M,a M,a mm k k k k k-m k k-m

    TK& &KEF&G ETFE 1$35

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    9 amm M,a M,a mm k k k k k-m k k-m

    Cs

      Cs

      6 s

      6 s

    s ,

    n  M

    n  4.,

    n  4.M

    n

    11)0 0.00011 0.002+#+ 21.05 #$0.00 $

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    9 amm M,a M,a mm k k k k k-m k k-m

    Cs

      Cs

      6 s

      6 s

    s ,

    n  M

    n  4.,

    n  4.M

    n

    322 -0.00101 0.002

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    9 amm M,a M,a mm k k k k k-m k k-m

    Cs

      Cs

      6 s

      6 s

    s ,

    n  M

    n  4.,

    n  4.M

    n

    50) -0.00#55 0.002)05 -#$0.00 #$0.00 )23.)0 +555.$1 -1$1).)1 132+.3# +)

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    9 amm M,a M,a mm k k k k k-m k k-m

    Cs

      Cs

      6 s

      6 s

    s ,

    n  M

    n  4.,

    n  4.M

    n

    KONTROL KOMBINASI BEBAN ULTIMIT COLUMN PIER DENGAN DIAGRAM INTERAKSI P4M

    0.000 500.000 1000.000 1500.000 2000.000 2500.000 #000.000 #500.000 )000.000

    0.000

    2000.000

    1L 112$2L 11)##L 112$)L 112$ 5L 10)2

    φ.Μν (κΝ−µ)

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    0.10>69 > b>h = 2)$0 k

    Pn

    kN

    0.

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    Pn

    kN

    51   1$021.$1 0.

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    Pn

    kN

    10)   1#155.0+ 0.

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    Pn

    kN

    11#   +)

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    Pn

    kN

    11#   21)$.23 0.

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    Pn

    kN

    γ

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    0 0.02 0.0) 0.0< 0.03 0.1 0.12 0.1) 0.1< 0.13 0.2 0.22 0.2) 0.2< 0.23 0.# 0.#2 0.#) 0.#< 0.#3 0.)

    0

    0.05

    0.1

    0.15

    0.2

    0.25

    0.#

    0.#5

    0.)

    0.)5

    0.5

    0.55

    0.<

    0.

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    DIAGRAM INTERAKSI   0.+0"ntuk : 6 7 = #$0 M,a hh =

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    K G

    0.5#$ 0 0 0

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    1. TINJAUAN ABUTMENTARAH MEMANJANG JEMBATAN

     Tinggi Column abutmen, 1.20 m

    Ukuran penampang, B = 10.00 m

    h = 0.80 m

    Luas penampang Column abutmen,

    8

    Lebar ekivalen Column abutment,

    10 m

    Beban Ultimit Paa Column abutment!"o #onisi Beban

    $k"% $k"m%

    L =

     = B 3 h = m2

    Be = 4 h =

    Pu

    5u6

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    1 #ombinasi & 1 11288.' 1(''.)

    2 #ombinasi & 2 11*)).( 1(''.)

    ) #ombinasi & ) 11288.' 1(').2

    * #ombinasi & * 11288.' 1(''.)

    + #ombinasi & + 10*1+.* (81+.1

    1.1. KONTROL STABILITAS ABUTMENT

    1.1.1. PENGARUH BERAT STRUKTUR

    1.1.2. PENGARUH P-DELTA

    :a;a aksial ultimit abutment 10*1+.* k"

    5omen ultimit abutment, (81+.1 k"m

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    #ontrol e>ek P&elta untuk #ombinasi Beban Ultimit

    "o #onisi Beban ? #eterangan

    $k"% $k"m% $m% $k"m% $k"m%

    1 #ombinasi & 1 11288.' 1(''.)* 0.00002 0.2'2 88.)1'   5 @ +35u6

    2 #ombinasi & 2 11*)).( 1(''.)* 0.00002 0.2'+ 88.)1'   5 @ +35u6

    ) #ombinasi & ) 11288.' 1(').2* 0.00002 0.2'1 88.1'22   5 @ +35u6

    * #ombinasi & * 11288.' 1(''.)* 0.00002 0.2'2 88.)1'   5 @ +35u6

    + #ombinasi & + 10*1+.* (81+.12 0.00010 1.0' )0.(+'   5 @ +35u6

    Pu

    5u6

    5

    +35u6

    5 @ + 3 5u6  $#%, maka e>ek P&elta apat iabaikan

    0.10*21

    #ekakuan lentur Column abutment, 11*(2+28.(

    Beban aksial kritis, 1'+(8'8 k"

    aktor perbesaran momen, 1.000(0'+

    :a;a geser horisontal akibat gempa, 2)1.1 k"

    7impangan lateral akibat gempa, 0.00011'*8 m

    aktor perbesaran momen, 1.000*)+'

    Iiambil >aktor perbesaran momen, 1.000(0'+

    5omen ultimit ;ang iperbesar,

    "o #onisi Beban

    $k"% $k"m% $k"m%1 #ombinasi & 1 11288.' 1(''.)* 1('(.'

    2 #ombinasi & 2 11*)).( 1(''.)* 1('(.'

    b = IL 4 $IL 9 LL% =

    < = 0.* 3  3

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    ) #ombinasi & ) 11288.' 1(').2* 1('*.+

    * #ombinasi & * 11288.' 1(''.)* 1('(.'

    + #ombinasi & + 10*1+.* (81+.12 (820.'

    1.2. PEMBESIAN BATANG ABUTMENT

    5utu Beton ! # & 2+0

    #uat tekan beton, 20.(+ 5Pa

    5utu Baa ! U & )

    > D =

      U"TU# LB = U"TU# LB 1 5

    "o #5B

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    hD 4 h = 0.(+

    asio tulangan ;ang iperlukan, r = 1.00%

    Luas tulangan ;ang iperlukan ! 8000

    Iiameter tulangan ;ang igunakan, I = 2+ mm

     Tulangan tekan ibuat sama engan tulangan tarik !

    *000

     Aarak tulangan ;ang iperlukan, 12) mm

    Iigunakan ! Auml.Lapis ia. Tulangan Aarak Luas Tulangan

    "ilai a = >.Pn 4 $> 

    D.

    g% an b = >.5

    n 4 $ > 

    D.

    g.h % iplot ke alam iagram interaksi iperoleh,

    s = r 3 b 3 h = mm2

    s $tekan%

     = s $tarik%

     = 1423 s = mm2

    s = p4*3I23b 4$1423s% =

    0.

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    0.2

    0.25

    0.#

    0.#5

    0.)

    0.)5

    0.5

    0.55

    0.<

    eh=2.00

    eh=1.00

    ρ = 1/

    eh=0.50

    sebagai berikut.

      ANALISIS DINDING BETON BERTULANG DENGAN DIAGRAM INTERAKSI

    IT I D =

    > ; =

    s =

    1 =

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    Iitinau ining selebar, b = 1000 mm

     Tebal ining h = 800 mm

     Aarak tul. th.tepi beton D = 100 mm

    1 lapis I 2+ arak 100

    1 lapis I 2+ arak 100

    Luas tulangan tarik, *0

    Luas tulangan tekan, *0asio tulangan tarik an tekan,

    Baa tulangan tarik $ s % !

    Baa tulangan tekan $ sD % !

    s  = mm2

    sD = mm2

    d

    d

    φ.,n

    φ.Mn

    :s :9 :s

    :a;a tekan aksial nominal, harus

    Paa konisi balane !

    Untuk, maka

    Untuk, maka

    :a;a&ga;a internal beton an baa !

    k"

    k"

    k":a;a aksial tekan nominal konisi balane !

    k" harus Q

    5omen nominal konisi balane !

    Pn

    S Pno

    b = '00 4 $'00 9 >;% 3

    ab =

    1 3

    b

    Ds = 0.00) 3 $b & D% 4 b

    Ds R > ; 4 s > sD = > ;

    Ds @ > ; 4 s > sD = Ds 3 s

    C = 0.8+ 3 > 

    D 3 b 3 a

    b 3 10&)

    Cs =

    s 3 > 

    ; 3 10&)

    CsD = sD 3 $ > sD & 0.8+3> D % 3 10&)

    Pnb

     = C 9 C

    sD & C

    sP

    no

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    5omen nominal konisi balane !

    k"&m

    Paa konisi garis netral terletak paa arak ari sisi beton tekan terluar !

    Untuk maka

    Untuk maka

    Untuk maka

    Untuk maka

    5nb

     = G C 3 $h42 & a

    b42% 9 C

    s 3 $ & h42% 9 C

    sD 3 $h42 & D% H 310&)

    s= 0.00) 3 $ & % 4

    Ds = 0.00) 3 $ & D % 4

    G sH R > 

    ; 4

    s> s = G

    sH 4

    s 3 > 

    ;

    G s H @ > 

    ; 4

    s> s =

    s 3

    s

     Ds  R > ; 4 s > sD = > ;

     Ds  @ > ; 4 s > sD = Ds 3 s

    a = 1 3

    1.4. TUL. GESER COLUMN ABUTMENT (ARAH MEMANJANG JEMBATAN)

    Perhitungan tulangan geser untuk ining abutmentiasarkan paa ga;a geser terbesar antara

    ga;a lateral an momen ultimit untuk kombinasi beban ;ang menentukan alam perhitungan

    tulangan aksial tekan an lentur.

    :a;a aksial ultimit renana, 10*1.+* k" 10*1+*) "

    5omen ultimit renana, (82.0' k"m (.82908 "mm

    5utu Beton ! # & 2+0 20.8 5Pa

    5utu Baa ! U & ) )0 5Pa

    Iitinau ining abutment selebar, b = 1000 mm

    aktor reuksi kekuatan geser, > = 0.' Tinggi ining abutment, 1200 mm

     Tebal ining Pierabutment, h = 800 mm

    Luas tulangan longituinal ining abutment 81(

    Pu = Pu =

    5u = 5u =

    > D =

    > ;  =

    L = L =

    = mm2

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    Luas tulangan longituinal ining abutment 81(

     Aarak tulangan terhaap sisi luar beton, D = 100 m

    :a;a geser ultimit akibat momen, '+1(20 "

    :a;a geser ultimit akibat ga;a lateral, )10*(8 "

    Iiambil, ga;a geser ultimit renana, '+1(20 "

    = h &D = (00.00 mm

    2)2*000 "

    2)2*001 " / Ju $# 

    1.0+ 1.0+1.00* 1

    s  mm

    Ju = 5

    u 4 L =

    Ju = T

    u6 310) 4 B

    e =

    Ju =

    Jma6

     = 0.2 3 >D 3 b 3 =

    > 3 Jma6 =

    b1 = 1.* & 4 2000 =b2 = 1 9 Pu 4 $1* 3 > D 3 b 3 h% = b1 =

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    1. DATA ONDASI

    B" 4 5T = )+ V

    5oulus elastis beton, 21*10 5Pa #ohesi tanah,

    Berat beton bertulang, 2+ C = + kPa

      I ; =

     =

    - = k"4m)

    B6

     = hp

     =

    B; = ht =

    L1 = L

    2 =

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    Iiameter sumu I = ).00 m Panang, L = ).00 m

      IT 7U7U"" 7U5U"

     Aumlah sumuran arah ; 2 buah

     Aumlah sumuran arah 6 1 buah

    2. DAYA DUKUNG AKSIAL IJIN SUMURAN

    2.1. BERDASARKAN KEKUATAN BAHAN

    n; =

    n6 =

    aktor a;a ukung menurut Thomlinson !

     $228 9 *.)3>% 4 $*0 & >% = ('

     $*0 9 +3>% 4 $*0 & >% = *)

     $'3>% 4 $*0 & >% = *2

    )**

    ngka aman, 7 = 2

    Ia;a ukung iin umuran, 1(*( k"4m2

    2.2.2. MENURUT MEYERHO (DATA PENGUJIAN SPT)

    engan, "D = nilai 7PT terkoreksi,

    "ilai 7PT hasil penguian, " = *0 pukulan4)0 m"ilai 7PT terkoreksi, "D = 1+ 9 1423$ " & 1+% = 2(.+ pukulan4)0 m

    1100 = 11000

    ngka aman, 7 = 2

    I k ii ++00 k"4 2

    " =

    "W =

    "g =

    Wult

     = 1.) 3 C 3 "  9 g 3 I

    >  3 "

    W  9 0.' 3 g 3 3 "

    g= k"4m2

     Tegangan.iin = Wult 4 7 =

    Wult

     = *0 3 "D $ alam Ton4m2 %

    Wult

     = *0 3 "D =  Ton4m2 k"4m2

    tegangan = W 4 7 =

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    Ia;a ukung iin sumuran , ++00 k"4m2

    2.2.3. MENURUT BAGEMENT (PENGUJIAN CPT)

    nilai konus rata&rata 1+0.00 1+000

    Ia;a ukung iin tiang , +000 k"4m2

    2.2.4. REKAP DAYA DUKUNG AKSIAL TIANG

    teganganiin

     = Wult

     4 7 =

    Piin

     = W 4 )

    W = kg4m2 W = k"4m2

    Piin

     = W 4 )

    = 1*.1)

    76 = +.28(+ m)

     Tegangan aksial maksimum an minimum ;ang ierita satu sumuran !

    "  #5B

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     Tegangan aksial maksimum an minimum ;ang ierita satu sumuran!

    = 1*.1)

    76 = 1(.0202

     Tegangan aksial maksimum an minimum ;ang ierita satu sumuran !

    "  #5B

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    &. PEMBESIAN PILE CAP

    &.1. GAYA AKSIAL ULTIMIT TIANG

    pileap = 1*.1)

    76 pileap= +.28(+

    "  #5B ] 4 > 

    ;3

     G 1 & F 3 G1 ^ 2 3

    n 4 $ 0.8+ 3 > 

    ] % H =

    r = 0 2+31 * 4 > =

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    asio tulangan minimum, 0.0000asio tulangan ;ang igunakan, r = 0.00*'2

    Luas tulangan ;ang iperlukan, +('Iiameter tulangan ;ang igunakan, I 2+ mm

     Aarak tulangan ;ang iperlukan, 8+.08' mmIigunakan tulangan, D 2" - 100

    *0Untuk tulangan bagi iambil +0 tulangan pokok.

    288+Iiameter tulangan ;ang igunakan, I 1 mm

    A k l i l k 8 21

    rmin

     = 0.2+ 1.* 4 > ;  =

    s = r 3 b 3 = mm2

      s = p 4 * 3 I2 3 b 4 s

    =

      s = p 4 * 3 I2 3 b 4 s

     = mm2

    sD = +0 3

    s  = mm2

    s p 4 * 3 I2 3 b 4

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    A. DATA STRUKTUR ATAS

    U

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    ,age 2 #01+0

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    ,age # #01+0ragma 1+.)0 + 2.10 k"4m 1'0.'+

     Total berat seniri struktur atas, (1+2.(+

    k"4m)

    k"4m)

    P57

     =

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    ,age ) #01+0

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    ,age 5 #01+0

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    ,age < #01+0

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    ,age + #01+0onasi akibat berat seniri struktur atas, 5a = Pms 3 e

    5s = 0 k"meter

    2.TEKANAN TANAH (TA )

    Paa bagian tanah ibelakang ining abutment ;ang ibebani lalu lintas, harus

    iperhitungkan aan;a beban tambahan ;ang setara engan tanah setebal 0,'0 m

    b b b t ki l b b k b i t b t

    $k"4m)%

    P5

     =

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    ,age 3 #01+0

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    ,age $ #01+0

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    ,age 10 #01+0

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    ,age 11 #01+0

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    ,age 12 #01+0

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    ,age 1# #01+0

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    ,age 1) #01+0onasi akibat temeperatur,5T

     = TT

     3 [T

     =

    Lengan terhaap breast -all akibat temperatur, [T

    = h(&h&h11 =

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    ,age 15 #01+0

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    ,age 1< #01+0

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    ,age 1+ #01+0

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    ,age 13 #01+0

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    ,age 1$ #01+0

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    ,age 20 #01+0

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    ,age 21 #01+0

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    ,age 22 #01+0

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    ,age 2# #01+0

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    ,age 2) #01+0

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    ,age 25 #01+0

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    ,age 2< #01+0

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    ,age 2+ #01+0

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    ,age 23 #01+0

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    ,age 2$ #01+0onasi !

    2 mB6 4 2 =

    k = persen kelebihan beban ;ang iiinkan $%

    = momen pen;ebab guling

    5omen penahan guling !

    ngka aman terhaap guling ! harus 2.2

    "o #ombinasi k P 7 #eterang

    beban $k"% $k"m% $k"m%

    1 #ombinasi & 1 0 110'2.1 (1.'' 2212*.* 2(.+ / 2.2 $#%

    2 #ombinasi & 2 2+ 110'2.1 22+*.1' 2('++.+ 12.2( / 2.2 $#%

    ) #ombinasi & ) *0 110'2.1 22+*.1' )0(*.1 1).(* / 2.2 $#%

    * #ombinasi & * +0 110'2.1 22+.08 ))18'.' 1*.' / 2.2 $#%

    + #ombinasi & + +0 1011'.*' +1'.) )0)*.* ).1 / 2.2 $#%

    butment aman terhaap guling arah memanang embatan

    10.2. STABILITAS GULING ARAH MELINTANG JEMBATAN

    56

    5p = P 3 $B

    6 4 2% 3 $1 9 k%

    7 = 5p 4 5

    56

    5p

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    ,age #0 #01+0onasi !

    +.00 mB; 4 2 =

    k = persen kelebihan beban ;ang iiinkan $%

    = momen pen;ebab guling

    5omen penahan guling !

    ngka aman terhaap guling ! harus 2.2

    "o #ombinasi Beban kP

    7 #eterang$k"% $k"m% $k"m%

    1 #ombinasi & 1 0 110'2.1 0.00 ++)10.

    2 #ombinasi & 2 2+ 110'2.1 1+1.88 '1)8.( *++.2) / 2.2 $#%

    ) #ombinasi & ) *0 110'2.1 1+1.88 ((*)+.) +0.8' / 2.2 $#%

    * #ombinasi & * +0 110'2.1 1+1.88 82''.* +*'.28 / 2.2 $#%

    + #ombinasi & + +0 1011'.*' ZZZ (+8().+ '.' / 2.2 $#%

    butment aman terhaap guling arah melintang embatan

     

    12. KONTROL STABILITAS GESER

    56

    5p = P 3 $B

    ; 4 2% 3 $1 9 k%

    7 = 5p 4 5

    5;

    5p

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    ,age #1 #01+0

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    ,age #2 #01+0

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    + #ombinasi & + +0 2)1.1 ZZZ 102+.** *.(1 / 1.1 $#%

    butment aman terhaap geser arah melintang embatan

    13. KONTROL TERHADAP TEGANGAN YANG TERJADI

     Tagangan ;ang terai paa asar abutment !

    = *0.00

    2'.''(

     Tegangan ;ang terai !

    "#5B

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    ,age #) #01+0

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    ,age #5 #01+0

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    ,age #< #01+0

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    ,age #+ #01+0

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    ,age #3 #01+0

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    ,age #$ #01+0

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    ,age )0 #01+0

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    ,age )1 #01+0

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    ,age )2 #01+0

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    ,age )# #01+0

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    ,age )) #01+0

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    ,age )5 #01+0